Our trail-friendly Zephyr is powered by two AA batteries, and kicks out over 200 lumens of crisp, clear Run-Right Light®. The 120 decibel fold-out safety whistle can alert other runners and others of your presence.

Specifications:

LED: 200 Lumen

Main Beam Battery: 2x AA

Burn Time: 40 Hours (Low), 24 Hours (Medium), 9 Hours (High)

Water Resistance: IPX4 - Weather Resistant